<template>
  <div id="app">
    <table class="tb">
      <tr>
        <th>编号</th>
        <th>品牌名称</th>
        <th>创立时间</th>
        <th>操作</th>
      </tr>
      <!-- 循环渲染的元素tr -->
      <tr v-for="item in list" :key="item.id">
        <td>{{ item.id }}</td>
        <td>{{ item.name }}</td>
        <td>{{ item.time }}</td>
        <td>
          <button @click="del(item.id)">删除</button>
        </td>
      </tr>

      <tr v-if="!list.length">
        <td colspan="4">没有数据咯~</td>
      </tr>
    </table>
    <input
      type="text"
      style="width: 265px"
      placeholder="请输入汽车品牌"
      v-model="for1"
    />
    <input
      type="text"
      style="width: 265px"
      placeholder="请输入创建时间"
      v-model="for2"
    />
    <button @click="add">添加</button>
  </div>
</template>

<script>
export default {
  data() {
    return {
      list: [
        { id: 1, name: "奔驰", time: "2020-08-01" },
        { id: 2, name: "宝马", time: "2020-08-02" },
        { id: 3, name: "奥迪", time: "2020-08-03" },
      ],
      for1: "",
      for2: "",
    };
  },
  methods: {
    del(id) {
      this.list = this.list.filter((item) => item.id !== id);
    },
    add() {
      const a = {
        id: +this.list[this.list.length - 1].id + +1,
        name: this.for1,
        time: this.for2,
      };
      this.list.push(a);
      this.for1 = "";
      this.for2 = "";
    },
  },
};
</script>

<style>
#app {
  width: 600px;
  margin: 10px auto;
}

.tb {
  border-collapse: collapse;
  width: 100%;
}

.tb th {
  background-color: #0094ff;
  color: white;
}

.tb td,
.tb th {
  padding: 5px;
  border: 1px solid black;
  text-align: center;
}

.add {
  padding: 5px;
  border: 1px solid black;
  margin-bottom: 10px;
}
</style>
